Linear vs logarithmic scales. 1  Human hearing is better measured on a logarithmic scale than a linear scale. 2  On a linear scale, a change between two values is perceived on the basis of the difference between the values.  On a logarithmic scale, a change between two values is perceived on the basis of the ratio of the two values.
Antimony has been known since ancient times. It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3) and valentinite (Sb 2 O 3). Nicolas Lemery, lÃ©mery A french, chemist was the first person to scientifically study antimony and its. compounds
When antimony is talked about it normally means the blue-white metalloid form, since it is most common. Antimony is found as two stable (not radioactive) isotopes naturally. Sb- 123 and Sb-121. Chemical properties. Antimony is a rather unreactive element. It does not dissolve in acids easily.